Investment adviser · CRD 306424

OCTAGON CAPITAL ADVISORS LP

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Mar 20, 2026

Regulatory AUM
$1.18B
Form ADV · Item 5.F
Client accounts
8
Accounts, not individual clients
Employees
10
Reported in this filing
Advisory professionals
7
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Pooled investment vehicles8$1,175,272,000100.0%
Filing source

Form ADV 2059308 · Mar 20, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

4 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

OCTAGON INVESTMENTS MASTER FUND LPHedge Fund · Last reported Mar 20, 2026$975MGross asset value

Feeder funds

Fund administrator J.P. MORGAN HEDGE FUND SERVICES BROOKLYN, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ERNST & YOUNG LTD. GEORGE TOWN, Cayman Islands
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

ERNST & YOUNG LTD.
PCAOB 1655

GOLDMAN SACHS & CO. LLC
SEC 8-129

J.P. MORGAN SECURITIES LLC
SEC 8-35008

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

Fund details & source
Fund ID
805-5202790927
Reported beneficial owners
128
Minimum commitment
$5M
Form D file number
021-355445
Form D file number
021-355447

Form ADV 2059308 · Mar 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

OCTAGON COINVEST OPPORTUNITIES FUND LPPrivate Equity Fund · Last reported Mar 20, 2026$105MGross asset value

Feeder funds

  • OCTAGON COINVEST OPPORTUNITIES OFFSHORE FUND LP
Fund administrator J.P. MORGAN HEDGE FUND SERVICES BROOKLYN, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ERNST & YOUNG LTD. GEORGE TOWN, Cayman Islands
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

ERNST & YOUNG LTD.
PCAOB 1655

GOLDMAN SACHS & CO. LLC
SEC 8-129

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

Fund details & source
Fund ID
805-1227283011
Reported beneficial owners
26
Minimum commitment
$5M
Form D file number
021-385504
Form D file number
021-385506

Form ADV 2059308 · Mar 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

OCTAGON BIOTECH OPPORTUNITIES FUND I LPPrivate Equity Fund · Last reported Mar 20, 2026$82.3MGross asset value

Feeder funds

  • OCTAGON BIOTECH OPPORTUNITIES OFFSHORE FUND I LP
Fund administrator J.P. MORGAN HEDGE FUND SERVICES BROOKLYN, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ENRST & YOUNG LTD. GEORGE TOWN, Cayman Islands
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

ENRST & YOUNG LTD.
PCAOB 1655

GOLDMAN SACHS & CO. LLC
SEC 8-129

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

Fund details & source
Fund ID
805-6260672301
Reported beneficial owners
5
Minimum commitment
$5M
Form D file number
021-451790
Form D file number
021-451791

Form ADV 2059308 · Mar 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

OCTAGON SPECIAL OPPORTUNITIES FUND LPPrivate Equity Fund · Last reported Mar 20, 2026$13.3MGross asset value
Fund administrator J.P. MORGAN HEDGE FUND SERVICES BROOKLYN, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ERNST & YOUNG LTD. GEORGE TOWN, Cayman Islands
Custodian CANTOR FITZGERALD & CO. NEW YORK, New York, United States Related to adviser: No
Custodian JPMORGAN CHASE & CO. NEW YORK, New York, United States Related to adviser: No
Prime broker CANTOR FITZGERALD & CO. NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

ERNST & YOUNG LTD.
PCAOB 1655

CANTOR FITZGERALD & CO.
SEC 8-201

CANTOR FITZGERALD & CO.
CRD 134 · SEC 8-201

Fund details & source
Fund ID
805-9477758736
Reported beneficial owners
5
Minimum commitment
$5M
Form D file number
021-396397
Form D file number
021-398433
Form D file number
021-400377
Form D file number
021-403188
Form D file number
021-405042

Form ADV 2059308 · Mar 20, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Mar 20, 2026. View historical filings

Reported services

Pooled investment vehicle management

Compensation

Percentage of assets · Performance-based

Principal office

654 MADISON AVENUE, 21ST FLOOR
NEW YORK, NY, 10065, United States

CRD 306424

Filing source

Form ADV 2059308 · Mar 20, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.